diff --git a/bp/market/routes.py b/bp/market/routes.py
index 8f928a8..561d770 100644
--- a/bp/market/routes.py
+++ b/bp/market/routes.py
@@ -25,7 +25,7 @@ def register(url_prefix, title):
     market = getattr(g, "market", None)
     market_id = market.id if market else None
     return {
-      "coop_title": title,
+      "coop_title": market.name if market else title,
       "categories": (await get_nav(g.s, market_id=market_id))["cats"],
       "qs": makeqs_factory()(),
       "market": market,
diff --git a/bp/product/routes.py b/bp/product/routes.py
index b20df96..0ae0014 100644
--- a/bp/product/routes.py
+++ b/bp/product/routes.py
@@ -157,7 +157,7 @@ def register():
     from models.market import CartItem
     from quart import request, url_for
 
-    @bp.post("/cart")
+    @bp.post("/cart/")
     @clear_cache(tag="browse", tag_scope="user")
     async def cart(slug: str):
         # make sure product exists (we *allow* deleted_at != None later if you want)
diff --git a/shared_lib b/shared_lib
index 0c9b8d6..37ceb37 160000
--- a/shared_lib
+++ b/shared_lib
@@ -1 +1 @@
-Subproject commit 0c9b8d6aa2b8f48c30091e0ab57170eb52040cc9
+Subproject commit 37ceb37b82d0f5285b6240f1152ed10d1dbfe35d
diff --git a/templates/_types/browse/_oob_elements.html b/templates/_types/browse/_oob_elements.html
index d32fd78..dac5626 100644
--- a/templates/_types/browse/_oob_elements.html
+++ b/templates/_types/browse/_oob_elements.html
@@ -11,9 +11,9 @@
 {% block oobs %}
 
   {% from '_types/root/_n/macros.html' import oob_header with context %}
-  {{oob_header('root-header-child', 'market-header-child', '_types/market/header/_header.html')}}
+  {{oob_header('post-header-child', 'market-header-child', '_types/market/header/_header.html')}}
 
-  {% from '_types/root/header/_header.html' import header_row with context %}
+  {% from '_types/post/header/_header.html' import header_row with context %}
   {{ header_row(oob=True) }}
 {% endblock %}
 
diff --git a/templates/_types/market/_oob_elements.html b/templates/_types/market/_oob_elements.html
index b37eea0..075c166 100644
--- a/templates/_types/market/_oob_elements.html
+++ b/templates/_types/market/_oob_elements.html
@@ -11,9 +11,9 @@
 {% block oobs %}
 
   {% from '_types/root/_n/macros.html' import oob_header with context %}
-  {{oob_header('root-header-child', 'market-header-child', '_types/market/header/_header.html')}}
+  {{oob_header('post-header-child', 'market-header-child', '_types/market/header/_header.html')}}
 
-  {% from '_types/root/header/_header.html' import header_row with context %}
+  {% from '_types/post/header/_header.html' import header_row with context %}
   {{ header_row(oob=True) }}
 {% endblock %}
 
diff --git a/templates/_types/market/index.html b/templates/_types/market/index.html
index df1ec4c..4da7f68 100644
--- a/templates/_types/market/index.html
+++ b/templates/_types/market/index.html
@@ -3,9 +3,11 @@
 
 {% block root_header_child %}
   {% from '_types/root/_n/macros.html' import index_row with context %}
-  {% call index_row('market-header-child', '_types/market/header/_header.html') %}
-    {% block market_header_child %}
-    {% endblock %}
+  {% call index_row('post-header-child', '_types/post/header/_header.html') %}
+    {% call index_row('market-header-child', '_types/market/header/_header.html') %}
+      {% block market_header_child %}
+      {% endblock %}
+    {% endcall %}
   {% endcall %}
 {% endblock %}
 
diff --git a/templates/_types/product/_cart.html b/templates/_types/product/_cart.html
index dfdb6c1..0351de7 100644
--- a/templates/_types/product/_cart.html
+++ b/templates/_types/product/_cart.html
@@ -7,9 +7,9 @@
   
   {% if not quantity %}
     <form
-      action="{{ market_url('/product/' + slug + '/cart') }}"
+      action="{{ market_url('/product/' + slug + '/cart/') }}"
       method="post"
-      hx-post="{{ market_url('/product/' + slug + '/cart') }}"
+      hx-post="{{ market_url('/product/' + slug + '/cart/') }}"
       hx-target="#cart-mini"
       hx-swap="outerHTML"
       class="rounded flex items-center"
@@ -38,9 +38,9 @@
     <div class="rounded flex items-center gap-2">
       <!-- minus -->
       <form
-        action="{{ market_url('/product/' + slug + '/cart') }}"
+        action="{{ market_url('/product/' + slug + '/cart/') }}"
         method="post"
-        hx-post="{{ market_url('/product/' + slug + '/cart') }}"
+        hx-post="{{ market_url('/product/' + slug + '/cart/') }}"
         hx-target="#cart-mini"
         hx-swap="outerHTML"
       >
@@ -80,9 +80,9 @@
 
       <!-- plus -->
       <form
-        action="{{ market_url('/product/' + slug + '/cart') }}"
+        action="{{ market_url('/product/' + slug + '/cart/') }}"
         method="post"
-        hx-post="{{ market_url('/product/' + slug + '/cart') }}"
+        hx-post="{{ market_url('/product/' + slug + '/cart/') }}"
         hx-target="#cart-mini"
         hx-swap="outerHTML"
       >
@@ -189,9 +189,9 @@
         <div class="flex items-center gap-2 text-xs sm:text-sm text-stone-700">
           <span class="text-[0.65rem] sm:text-xs uppercase tracking-wide text-stone-500">Quantity</span>
           <form
-            action="{{ market_url('/product/' + p.slug + '/cart') }}"
+            action="{{ market_url('/product/' + p.slug + '/cart/') }}"
             method="post"
-            hx-post="{{ market_url('/product/' + p.slug + '/cart') }}"
+            hx-post="{{ market_url('/product/' + p.slug + '/cart/') }}"
             hx-target="#cart-mini"
             hx-swap="outerHTML"
           >
@@ -212,9 +212,9 @@
             {{ item.quantity }}
           </span>
           <form
-            action="{{ market_url('/product/' + p.slug + '/cart') }}"
+            action="{{ market_url('/product/' + p.slug + '/cart/') }}"
             method="post"
-            hx-post="{{ market_url('/product/' + p.slug + '/cart') }}"
+            hx-post="{{ market_url('/product/' + p.slug + '/cart/') }}"
             hx-target="#cart-mini"
             hx-swap="outerHTML"
           >